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LMV981MF Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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LMV981MF Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 18 page  LMV981 Single / LMV982 Dual 1.8V, RRIO Operational Amplifiers with Shutdown General Description LMV981/LMV982 are low voltage, low power operational amplifiers. LMV981/LMV982 are guaranteed to operate from +1.8V to +5.0V supply voltages and have rail-to-rail input and output. LMV981/LMV982 input common mode voltage extends 200mV beyond the supplies which enables user enhanced functionality beyond the supply voltage range. The output can swing rail-to-rail unloaded and within 105mV from the rail with 600 Ω load at 1.8V supply. LMV981/ LMV982 are optimized to work at 1.8V which make them ideal for portable two-cell battery powered systems and single cell Li-Ion systems. LMV981/LMV982 offer a shutdown pin that can be used to disable the device and reduce the supply current. The device is in shutdown when the SHDN-pin = low. LMV981/LMV982 exhibit excellent speed-power ratio, achieving 1.4MHz gain bandwidth product at 1.8V supply voltage with very low supply current. LMV981/LMV982 are capable of driving a 600 Ω load and up to 1000pF capacitive load with minimal ringing. LMV981/LMV982 have a high DC gain of 101dB, making them suitable for low frequency ap- plications. LMV981 is offered in space saving 6-Bump micro SMD, SC70-6 and SOT23-6 packages. The 6-Bump micro SMD package has only a 1.006mm x 1.514mm x 0.945mm foot- print. LMV982 is offered in space saving MSOP-10 package. These small packages are ideal solutions for area con- strained PC boards and portable electronics such as cellular phones and PDAs. Features (Typical 1.8V Supply Values; Unless Otherwise Noted) n Guaranteed 1.8V, 2.7V and 5V specifications n Output swing — w/600 Ω load 80mV from rail — w/2k Ω load 30mV from rail n V CM 200mV beyond rails n Supply current (per channel) 100µA n Gain bandwidth product 1.4MHz n Maximum V OS 4.0mV n Gain w/600 Ω load 101dB n Ultra tiny package micro SMD 1.0mm x 1.5mm n Turn-on time from shutdown 19µs n Temperature range −40˚C to 125˚C Applications n Industrial and automotive n Consumer communication n Consumer computing n PDAs n Portable audio n Portable/battery-powered electronic equipment n Supply current monitoring n Battery monitoring Typical Application 200214H0 December 2002 © 2002 National Semiconductor Corporation DS200214 www.national.com |
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